--- title: "gpt-5.1-codex Cost Calculator - Azure" description: "Calculate the cost of using gpt-5.1-codex from Azure. Input costs $1.38 and output $11.00 per 1M tokens." url: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/azure/model/gpt-5.1-codex" markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/azure/model/gpt-5.1-codex.md" --- # gpt-5.1-codex Cost Calculator - Azure > Calculate the cost of using gpt-5.1-codex from Azure. Input costs $1.38 and output $11.00 per 1M tokens. ## Important Links - [View MCP Gateway](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/resources/mcp-gateway.md) - [Features](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/#features) - [Enterprise](https://www.getmaxim.ai/enterprise) - [Pricing](https://www.getmaxim.ai/pricing) - [Docs](https://docs.getbifrost.ai) - [GitHub](https://github.com/maximhq/bifrost) - [Book a Demo](https://www.getmaxim.ai/book-a-demo) ## About gpt-5.1-codex gpt-5.1-codex is a responses model from Azure, one of 25 responses models they offer. It is priced at $1.38 per 1M input tokens and $11.00 per 1M output tokens, ranking 23 out of 71 responses models by cost and cheaper than 66% of models in this category. gpt-5.1-codex supports vision, function calling, reasoning, prompt caching, structured output. It accepts up to 272K input tokens. ## Pricing Published Azure pricing for gpt-5.1-codex. - **$1.38 / 1M tokens Input.** - **$11.00 / 1M tokens Output.** ## Technical Specifications - **Responses Mode.** - **272,000 Max Input Tokens.** - **128,000 Max Output Tokens.** - **128,000 Max Tokens.** ## Model Capabilities gpt-5.1-codex supports: Function Calling, Vision, Reasoning, Prompt Caching, Parallel Function Calling, Response Schema, Tool Choice, PDF Input. ## How Pricing Compares At $1.38 per 1M input tokens and $11.00 per 1M output tokens, gpt-5.1-codex ranks 23 out of 71 responses models by input cost. It is more affordable compared to the median of $2.00 for responses models, and is cheaper than 66% of models in this category. gpt-5.1-codex is one of 25 Azure responses models, with support for vision, function calling, reasoning, prompt caching, structured output. | Model | Provider | Input $/1M | Output $/1M | vs gpt-5.1-codex | | --- | --- | --- | --- | --- | | codex-mini-latest | OpenAI | $1.50 | $6.00 | +9% | | gpt-5-codex | OpenAI | $1.25 | $10.00 | -9% | | gpt-5.1-codex | OpenAI | $1.25 | $10.00 | -9% | | gpt-5.1-codex-max | OpenAI | $1.25 | $10.00 | -9% | | xai.grok-4.3 | Bedrock Mantle | $1.25 | $2.50 | -9% | ## More from Azure - [gpt-5.1-codex ($1.38/1M input)](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/azure/model/gpt-5.1-codex.md) - [codex-mini ($1.50/1M input)](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/azure/model/codex-mini.md) - [gpt-5.1-codex ($1.25/1M input)](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/azure/model/gpt-5.1-codex.md) - [gpt-5.1-codex-2025-11-13 ($1.25/1M input)](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/azure/model/gpt-5.1-codex-2025-11-13.md) ## Related Resources - [Azure AI status](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/provider-status/azure.md) - [gpt-5.1-codex specifications](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5.1-codex.md) - [All Azure pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/azure.md) ## FAQ ### Is gpt-5.1-codex cheaper than codex-mini-latest? Yes. gpt-5.1-codex costs $1.38 per 1M input tokens compared to codex-mini-latest's $1.50 per 1M input tokens, making it 9% more affordable. Both are responses models and share support for vision, function calling, reasoning, prompt caching, structured output. ### How does gpt-5.1-codex pricing compare to the average responses model? gpt-5.1-codex input pricing is $1.38 per 1M tokens, which is 31% below the median of $2.00 for responses models. It ranks 23 out of 71 responses models by input cost, making it cheaper than 66% of models in this category. For output, it costs $11.00 per 1M tokens compared to the median of $14.00. ### What makes gpt-5.1-codex different from other Azure models? Among Azure's 25 responses models, gpt-5.1-codex ranks 11 by input cost. ### What are the best alternatives to gpt-5.1-codex? The most comparable responses models to gpt-5.1-codex are: codex-mini-latest from OpenAI ($1.50/1M input tokens); gpt-5-codex from OpenAI ($1.25/1M input tokens); gpt-5.1-codex from OpenAI ($1.25/1M input tokens); gpt-5.1-codex-max from OpenAI ($1.25/1M input tokens). These alternatives were selected based on similar capabilities, pricing, and provider diversity. You can compare any of these models in detail using the Bifrost Model Library. ### How do I check if Azure AI is down? You can monitor Azure AI service health in real time on the Bifrost Azure AI Status page. It tracks current component status, active incidents, and historical reliability data pulled from the official status page every 60 seconds. ### How do I calculate gpt-5.1-codex costs? gpt-5.1-codex is priced based on input and output tokens. Use the interactive calculator at the top of this page to estimate costs for your specific workload. Enter your expected input and output tokens volume and the calculator will show the total cost breakdown. For reference, processing 1M input tokens costs $1.38 and generating 1M output tokens costs $11.00. ## Related Resources - [All Azure pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/azure.md) - [LLM cost calculator](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator.md) - [Model library](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library.md) - [Docs: Bifrost docs](https://docs.getbifrost.ai) - [GitHub: maximhq/bifrost](https://github.com/maximhq/bifrost) - [Pricing: Bifrost pricing](https://www.getmaxim.ai/pricing) - [Enterprise: Bifrost enterprise](https://www.getmaxim.ai/enterprise) - [Book a Demo: Bifrost demo](https://www.getmaxim.ai/book-a-demo) - [Resources: Bifrost resources](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/resources.md) --- *This is a markdown version of [https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/azure/model/gpt-5.1-codex](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/azure/model/gpt-5.1-codex) for AI/LLM consumption.*